Generation of electricity
As one of the sunniest regions in Germany, the sun is shining for about 1800 hours per year in Freiburg. So what could be more logical than to use this energy? Currently, our approximately 200 square meter large solar power station on the roof produces approximately 20.000 kilowatt hours of current per year. We also added 4 small turbines in order to make use of the wind. Those turbines additionally produce 2 kilowatt of current. In this combination, our energy roof garden produces an amount of energy sufficient in order to supply all hotel rooms with energy. The remaining amount of energy required is supplied by the „Stromrebellen“ ("Electricity Rebels", a power plant) from Schönau (EWS). Approximately 70.000 kilowatt hours of green energy are additionally generated per year with our participation in the wind park in Ettenheim.
Energy roof garden
In order to give our guests the chance to gather energy, we also provided for enough space for deck chairs apart from the solar cells. The roof was additionally greened with plants adapted to the dry site. Thus, the hotel roof serves as a meadow for bees on the one hand and on the other hand as an oasis of relaxation for our guests who have a fantastic view over the roofs of Freiburg. This is one more example of how to combine ecology with comfort.